NOTE: Make sure to download the files (archives) below and read the instructions usually contained within them in order to successfully cheat in Grand Theft Auto IV. Don't hesitate to contact us should you need any assistance with applying these cheats.

NOTE: As their name suggests hints are not exactly Grand Theft Auto IV cheats, and are usually just simple (but very useful) tips on how you can unlock secret level, features, find hidden areas and such. Hopefully these will make playing Grand Theft Auto IV even more entertaining.

Games for Windows Achievements
Assassin's Greed (20): Complete all 9 assassin missions.
Auf Wiedersehen Petrovic (30): Win all ranked multiplayer variations, all races and "Cops 'n Crooks", as both sides.
Chain Reaction (20): You must blow up 10 vehicles in 10 seconds.
Cleaned The Mean Streets (20): Capture 20 criminals through the police computer.
Courier Service (10): Complete all 10 package delivery jobs.
Cut Your Teeth (5): Earn a personal rank promotion in multiplayer.
Dare Devil (30): Complete 100% of the unique stunt jumps.
Dial B For Bomb (10): Unlock the special ability of phoning for a bomb to be placed.
Driving Mr. Bellic (10): Unlock the special ability of taxi.Endangered Species (50): Collect every hidden package in the game.
Fed The Fish (5): Complete the mission "Uncle Vlad".
Finish Him (15): Complete 10 melee counters in 4 minutes.
Fly The Co-op (15): Beat our time in ranked versions of "Deal Breaker", "Hangman's NOOSE" and "Bomb da Base II".
Full Exploration (20): Unlock all the islands.
Genetically Superior (25): Come first in 20 singleplayer street races.
Gobble Gobble (10): Score 3 strikes in a row, a turkey, in 10-pin bowling.
Gracefully Taken (10): Complete mission "I'll Take Her".
Half Million (55): Reach a balance of $500,000.
Impossible Trinity (10): Complete mission "Museum Piece".
It'll Cost Ya (5): Complete a taxi ride without skipping from one island to another.
Join The Midnight Club (10): Win a ranked multiplayer race without damaging your vehicle too much and with damage enabled.
Key To The City (100): Achieve 100% in "Game progress" statistic.
King of QUB3D (15): Beat the High Score in QUB3D.
Let Sleeping Rockstars Lie (10): Kill a Rockstar developer in a ranked multiplayer match.
Liberty City (5): (20): After meeting all possible friends, the ones left alive all like you above 90%.
Liberty City Minute (30): Complete the story missions in less than 30 hours.
Lowest Point (5): Complete mission "Roman's Sorrow".
Manhunt (15): Complete the most wanted side missions from the police computer.
No More Strangers (5): Meet all random characters.
Off The Boat (5): Complete the first mission.
One Hundred And Eighty (10): In a darts game score 180 with 3 darts.
One Man Army (40): Survive 5 minutes on 6 star wanted level.
Order Fulfilled (10): Complete all 10 Exotic Export orders.
Pool Shark (10): Beat a friend at pool.
Retail Therapy (10): Unlock the special ability of buying guns from a friend.
Rolled Over (30): Do 5 car rolls in a row from one crash.
Sightseer (5): Fly on all helicopter tours of Liberty City.
Taking It For The Team (10): Be on the winning team in all ranked multiplayer team games.
Teamplayer (10): Kill 5 players who are not in your team, in any ranked multiplayer team game.
That Special Someone (10): Complete mission "That Special Someone".
That's How We Roll! (10): Unlock the special ability of helicopter.
Top Of The Food Chain (10): Kill 20 players with a pistol in a ranked multiplayer deathmatch.
Top The Midnight Club (20): Come first in 20 different ranked standard multiplayer races.
Under The Radar (40): Fly underneath the main bridges in the game that cross water with a helicopter.
Walk Free (50): Lose a 4 star wanted rating by outrunning the cops.
Wanted (20): Achieve the highest personal rank in multiplayer.
Warm Coffee (5): Successfully date a girl to be invited into her house.
Wheelie Rider (30): Do a wheelie lasting at least 500 feet on a motorbike.
You Got The Message (20): Deliver all 30 cars ordered through text message.
You Won! (60): Complete the final mission.

The Lost and Damned Achievements
Complete each achievement to receive the allotted gamerscore.

Full Chat (70): Build Terry and Clay's toughness to 100%.
Get Good Wood (50): In the bike races, whack off 69 bikers with a bat.
One Percenter (5): Help Billy get his bike back.
The Lost Boy (25): Become leader of The Lost.